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j .G- WALLACE Ferment ing Vat.

- Patented March 5, 1867.

- m frie-ss I N PETERS PHOTO UTHOGRAPHER WASH NGTON D C GEORGE WALLACE,OF CINCINNATI, OHIO.

Letters Patent No. 62,581, dated M'arch 5, 1867.

IMPROVEMENT IN APPARATUS FOR FERMENTING MALT AND OTHER LIQIIORS..

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, GEORGE WALLACE, of the city of Cincinnati, in thecounty of Hamilton, and State of Ohio, have invented a new and usefulMachine for Regulating Vinous Fermentation in Malt and other Liquors}and I do hereby declare that the following is a clear, full, and exactdescription of the construction and operation of the same, referencebeing had to the annexed drawings, making a part of this specification,in whieh A is a perspective external view of an air-tight vat or tank.B, a cross-section of a similar vat or tank. C is an ope n tub or vat,and stands between vats or tanks A and B, and to contain water. Vats ortanks A and B have a tight inside shell or casing, D, allowing a currentof water to circulate, which is supplied'at pipes K and discharged atpipes L. Pipes, E and F, extend from the crown of each vat or tank, Aand B, to near the bottom of the other vat or tank, across the lower endof which is a perforated cross pipe. 7 In the middle of pipes E and Fare two-way cocks, H, designed to relieve the vats or tanks A and B ofsurplus pressure of gases by allowing them to escape through pipes Ginto vat or tub C, containing water, yet retaining any alcoholic gasesthat may arise; also to insure an equal fermentation in each vat ortank.

To enable others skilled in the art to make and use my invention, I willproceed to describe its construction and operation. V

I construct two large air-tight vats or tanks, as shown by letters Aand. B, which are filled at manhole J, and drawn ofl' at cock I. Eachvat or tank has a tight inner shell or lining extending two-thirds up,between which and the outside shell there is a space, which is to bekept filled with water, which is supplied at pipes K, and discharged atpipes L. This is to insure the proper temperature to the liquor in vatsor tanks A and B during fermentation. Between the air-tight vats ortanks A and I3, I place an open vat, 0, containing water. In the top ofeach vat A and B comes out a pipe, E and F, which enters the oppositevat or tank, and extends to near its bottom, across the end of which isa perforated cross pipe. In the middle of cross pipes E and F aretwo-way cocks, H, which insures the regulation of the pressure and gasesduring fermentation; If one vat is fermenting faster than the other, thesurplus gas is discharged in the other vat; or, if each vat has asurplus gas, it is then turned off through pipes G, and allowed toescape in the water in vat or tub C, which prevents alcoholiccondensation and the atmosphere from getting into vats or tanks A and B.

Having-thus fully described and set forth the nature of my invention,what I claim as my invention, and desire to secure by Letters Patent,is'

1. The water chamber D, by which the temperature of the liquor in vatsor tanks, A and B, can be regulated during fermentation.

2. Th e application of the two-way cdck H, by which the fermentation ofeach vat or tank may be regulated; or, if a surplus amount of gases isgenerated, allows it to escape through pipes G. I

3. The open tubs-or vat G, containing water, which allows thenon-condensing gases to escape, yet prevents the atmosphere from gettingin the vats or tanks, A and B.

GEO. WALLACE.

Witnesses:

JOHN MGLACHLAN, F. U. SroKEs.

